or
<rad:RadGrid ID="myGrid" runat="server" AllowSorting="True" AutoGenerateColumns="false" AllowPaging="True" GridLines="Both" GroupingEnabled="true" AllowFilteringByColumn="true" EnableAJAX="True" EnableHeaderContextMenu="true" ShowGroupPanel="false" ShowFooter="True" PageSize="20" EnableHeaderContextFilterMenu="true" AllowMultiRowEdit="true" AllowMultiRowSelection="true" OnNeedDataSource="myGrid_NeedDataSource" OnDetailTableDataBind="myGrid_DetailedTableDataBind" OnItemDataBound="myGrid_OnItemDataBound" OnPreRender="myGrid_OnPreRender"> <ClientSettings EnableRowHoverStyle="true" Resizing-AllowColumnResize="True" AllowColumnsReorder="True" ReorderColumnsOnClient="True" EnablePostBackOnRowClick="true"> <Selecting AllowRowSelect="True" /> <ClientEvents OnGridCreated="OnGridCreated" /> </ClientSettings>The problem here is , it doesnt show checkboxed for displaying/hiding columns.
Where as other pages are working fine.
Appriciate your help.

<asp:Panel ID="uxMessagePanel" Visible="false" runat="server" CssClass="message success"> <asp:Label ID="uxMessageLabel" runat="server" /></asp:Panel>RadButton uxDeleteContact = (RadButton)sender;GridNestedViewItem currentNestedRow = (GridNestedViewItem)uxDeleteContact.NamingContainer;GridDataItem currentRow = (GridDataItem)currentNestedRow.ParentItem; //some other code here //Show Success Message to User((Panel)(currentRow.Parent.Parent.Parent.Parent.FindControl("uxMessagePanel"))).Visible = true;((Label)(currentRow.Parent.Parent.Parent.Parent.FindControl("uxMessageLabel"))).Text = "Contact successfully deleted.";Line: 6
Error: Sys.WebForms.PageRequestManagerServerErrorException: Index was outside the bounds of the array.